conservation law

The conservation law states that in a closed system, certain properties—like mass, energy, or momentum—remain constant over time. This means nothing is lost or gained; instead, these quantities may change forms or move between objects, but their total amount stays the same. For example, energy can transform from heat to motion, but the overall energy in a system remains constant. This principle helps us understand and predict how natural processes unfold, ensuring the balance and consistency of physical quantities across different scenarios.